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Discussion Title Created date
Supressing transformer "noise"
Picture an audio device such as an intercom. So you've got a panel/enclosure with a microphone and a speaker and maybe a few buttons to buzz the right apartment, or push-to-talk...
Wednesday, 31 December 2008 - 20:54
Xmega (and AT91SAM and AVR32) Seminars in the US
Via the Atmel Enews mailing list the 2-day seminars were announced. (The links in the emails are junk; the one below should work.) Limited sites; only 6. http://www.atmel.com/...
Thursday, 9 October 2008 - 13:14
RTC Selection Suggestions?
We've been using Maxim/Dallas DS1305/DS1306 RTC in many apps over the past 8 years or so. It works fine for us, and I've got all my proven "drivers" to set time, etc. It uses...
Tuesday, 9 September 2008 - 22:21
New AVR model--ATtiny167
In an Atmel mailing the Tiny167 (automotive) was mentioned as having datasheet releases. While it is not yet listed on the Devices page on the Atmel Web site, information can be...
Wednesday, 23 July 2008 - 15:05
Passive RFID--selection help?
I'm embarking on my first RFID app, and would appreciate some selection help. This is for operator identification in an industrial environment. No "security" concerns, per se,...
Tuesday, 15 July 2008 - 17:53
LDO regulator with "sleep" feature
A new app needs a low-dropout regulator. [There will be a battery-pack power, but the varying supply voltage makes the sensor readings and continual adjustments much more...
Wednesday, 9 July 2008 - 15:47
Atmel survey, with possible freebies...
From an Atmel notification email: Quote: Participate in the 2008 AVR MCU Survey here: http://www.atmel.no/survey/index... Lucky participants will receive AVR development bundles...
Wednesday, 28 May 2008 - 15:55
Level translation 3.xV <=> 5V
Let's say that I've got a 3.6V AVR, and need to interface to a 5V LCD/VFD display. Let's say I want to use an IC solution rather than a separate MOSFET circuit on each line. So...
Thursday, 15 May 2008 - 16:19
Interesting site: Scienceprog
When Googling to research a thread question, I came across an interesting site. There is some good AVR content, and if nothing else the links to ready-made boards, etc., are...
Wednesday, 29 August 2007 - 01:20
1 meg "load" resistor across crystal?
We've inherited a partial design for an AVR that included a 1 megaohm resistor across the crystal (XTAL1-XTAL2) in addition to the load caps. We've never had this in past AVR...
Tuesday, 29 May 2007 - 20:59
Cycle counts to get into ISR
I'm losing it after all these years with AVRs. How many cycles does it take to get to the first instruction inside an ISR? I'm doing a Mega48 app with tight timing requirements,...
Friday, 25 May 2007 - 17:11
Want an AVR with built-in regulator?
...then wait for the ATA660x: http://www.atmel.com/dyn/corpora... http://www.atmel.com/dyn/general... Looks like Mega88+LIN in one package, QFN only. The interesting thing is the...
Wednesday, 7 March 2007 - 15:39

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